DE3151042C2 - - Google Patents

Info

Publication number
DE3151042C2
DE3151042C2 DE19813151042 DE3151042A DE3151042C2 DE 3151042 C2 DE3151042 C2 DE 3151042C2 DE 19813151042 DE19813151042 DE 19813151042 DE 3151042 A DE3151042 A DE 3151042A DE 3151042 C2 DE3151042 C2 DE 3151042C2
Authority
DE
Germany
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE19813151042
Other versions
DE3151042A1 (de
Inventor
Horst Dipl.Ing. 6761 Stahlberg De Bessai
Werner Dr.Ing. 6100 Darmstadt De Lorek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Alcatel Lucent Deutschland AG
Original Assignee
Siemens AG
Standard Elektrik Lorenz AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG, Standard Elektrik Lorenz AG filed Critical Siemens AG
Priority to DE19813151042 priority Critical patent/DE3151042A1/de
Publication of DE3151042A1 publication Critical patent/DE3151042A1/de
Application granted granted Critical
Publication of DE3151042C2 publication Critical patent/DE3151042C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/3818—Demodulator circuits; Receiver circuits using coherent demodulation, i.e. using one or more nominally phase synchronous carriers
    • H04L27/3836—Demodulator circuits; Receiver circuits using coherent demodulation, i.e. using one or more nominally phase synchronous carriers in which the carrier is recovered using the received modulated signal or the received IF signal, e.g. by detecting a pilot or by frequency multiplication
DE19813151042 1981-12-23 1981-12-23 "verfahren zur empfangsseitigen reduktion der zwoelffachen unbestimmtheit der traegerphase eines 16-qam-signals" Granted DE3151042A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19813151042 DE3151042A1 (de) 1981-12-23 1981-12-23 "verfahren zur empfangsseitigen reduktion der zwoelffachen unbestimmtheit der traegerphase eines 16-qam-signals"

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813151042 DE3151042A1 (de) 1981-12-23 1981-12-23 "verfahren zur empfangsseitigen reduktion der zwoelffachen unbestimmtheit der traegerphase eines 16-qam-signals"

Publications (2)

Publication Number Publication Date
DE3151042A1 DE3151042A1 (de) 1983-07-07
DE3151042C2 true DE3151042C2 (de) 1987-02-19

Family

ID=6149539

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813151042 Granted DE3151042A1 (de) 1981-12-23 1981-12-23 "verfahren zur empfangsseitigen reduktion der zwoelffachen unbestimmtheit der traegerphase eines 16-qam-signals"

Country Status (1)

Country Link
DE (1) DE3151042A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3338664A1 (de) * 1983-10-25 1985-05-09 Siemens AG, 1000 Berlin und 8000 München Anordnung zur selbsttaetigen empfangsseitigen korrektur einer fehlerhaft rueckgewonnenen traegerphase

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135796A1 (de) * 1981-09-10 1983-03-24 Deutsche Bundespost, vertreten durch den Präsidenten des Fernmeldetechnischen Zentralamtes, 6100 Darmstadt "verfahren zur umwandlung eines bandbegrenzten 16-qam-signals in ein 8-qam-signal zur traegerrueckgewinnung"

Also Published As

Publication number Publication date
DE3151042A1 (de) 1983-07-07

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee